A Pantograph Moulding Jig |
Jeff Dennstaedt |
Usually, the process of mitering mouldings requires measuring an angle, dividing it by two, and setting a saw to the desired cutting angle. This time-consuming task can be accomplished more quickly and accurately with the shop-built jig shown in Figure 1. This pantograph jig transfers angles by means of a set of interconnected, pivoting arms.

FIGURE 1: THE PANTOGRAPH MOULDING JIG
OPERATION
First, set a bevel gauge at the angle between the walls that are to receive moulding. Then, loosen the wingnut on the jig’s bolt L and spread arms C and D wide enough that the gauge can lie between them. Finally, ...
Get Technical Design Solutions for Theatre now with O’Reilly online learning.
O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.